Adding local html page used in Instant Extended mode when instant is disabled or unavailable.

chrome/browser/ui/search/search.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/search/search.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
 
 namespace chrome {
 namespace search {
 
 bool IsInstantExtendedAPIEnabled(const Profile* profile) {
   return EmbeddedSearchPageVersion(profile) != 0;
 }
 
 uint64 EmbeddedSearchPageVersion(const Profile* profile) {
-  // Incognito windows do not currently use the embedded search API.
-  if (profile->IsOffTheRecord())
-    return 0;
-
   // Check Finch field trials.
   base::FieldTrial* trial = base::FieldTrialList::Find("InstantExtended");
   if (trial && StartsWithASCII(trial->group_name(), "Group", true)) {
     uint64 group_number;
     if (base::StringToUint64(trial->group_name().substr(5), &group_number)) {
       return group_number;
     }
   }
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableInstantExtendedAPI)) {
     // The user has manually flipped the about:flags switch - give the default
     // UI version.
     return 1;
   }
   return 0;
 }
 
 void EnableInstantExtendedAPIForTesting() {
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableInstantExtendedAPI);
 }
 
 }  // namespace search
 }  // namespace chrome